WINGs/wpopupbutton.c

   1
   2
   3
   4
   5 #include "WINGsP.h"
   6
   7
   8 typedef struct W_PopUpButton {
   9     W_Class widgetClass;
  10     WMView *view;
  11
  12     void *clientData;
  13     WMAction *action;
  14
  15     char *caption;
  16
  17     WMBag *items;
  18
  19     short selectedItemIndex;
  20
  21     short highlightedItem;
  22
  23     WMView *menuView;                  /* override redirect popup menu */
  24
  25     WMHandlerID timer;                 /* for autoscroll */
  26
  27     /**/
  28     int scrollStartY;                  /* for autoscroll */
  29
  30     struct {
  31         unsigned int pullsDown:1;
  32
  33         unsigned int configured:1;
  34
  35         unsigned int insideMenu:1;
  36
  37         unsigned int enabled:1;
  38
  39     } flags;
  40 } PopUpButton;
  41
  42
  43 #define MENU_BLINK_DELAY        60000
  44 #define MENU_BLINK_COUNT        2
  45
  46 #define SCROLL_DELAY            10
  47
  48
  49 #define DEFAULT_WIDTH   60
  50 #define DEFAULT_HEIGHT  20
  51 #define DEFAULT_CAPTION ""
  52
  53
  54 static void destroyPopUpButton(PopUpButton *bPtr);
  55 static void paintPopUpButton(PopUpButton *bPtr);
  56
  57 static void handleEvents(XEvent *event, void *data);
  58 static void handleActionEvents(XEvent *event, void *data);
  59
  60 static void resizeMenu(PopUpButton *bPtr);
  61
  62
  63 WMPopUpButton*
  64 WMCreatePopUpButton(WMWidget *parent)
  65 {
  66     PopUpButton *bPtr;
  67     W_Screen *scr = W_VIEW(parent)->screen;
  68
  69
  70     bPtr = wmalloc(sizeof(PopUpButton));
  71     memset(bPtr, 0, sizeof(PopUpButton));
  72
  73     bPtr->widgetClass = WC_PopUpButton;
  74
  75     bPtr->view = W_CreateView(W_VIEW(parent));
  76     if (!bPtr->view) {
  77         wfree(bPtr);
  78         return NULL;
  79     }
  80     bPtr->view->self = bPtr;
  81
  82     WMCreateEventHandler(bPtr->view, ExposureMask|StructureNotifyMask
  83                          |ClientMessageMask, handleEvents, bPtr);
  84
  85
  86     W_ResizeView(bPtr->view, DEFAULT_WIDTH, DEFAULT_HEIGHT);
  87     bPtr->caption = wstrdup(DEFAULT_CAPTION);
  88
  89     WMCreateEventHandler(bPtr->view, ButtonPressMask|ButtonReleaseMask,
  90                          handleActionEvents, bPtr);
  91
  92     bPtr->flags.enabled = 1;
  93
  94     bPtr->items = WMCreateBag(4);
  95
  96     bPtr->menuView = W_CreateTopView(scr);
  97     bPtr->menuView->attribs.override_redirect = True;
  98     bPtr->menuView->attribFlags |= CWOverrideRedirect;
  99
 100     W_ResizeView(bPtr->menuView, bPtr->view->size.width, 1);
 101
 102     WMCreateEventHandler(bPtr->menuView, ButtonPressMask|ButtonReleaseMask
 103                          |EnterWindowMask|LeaveWindowMask|ButtonMotionMask
 104                          |ExposureMask, handleActionEvents, bPtr);
 105
 106     return bPtr;
 107 }
 108
 109
 110 void
 111 WMSetPopUpButtonAction(WMPopUpButton *bPtr, WMAction *action, void *clientData)
 112 {
 113     CHECK_CLASS(bPtr, WC_PopUpButton);
 114
 115     bPtr->action = action;
 116
 117     bPtr->clientData = clientData;
 118 }
 119
 120
 121 WMMenuItem*
 122 WMAddPopUpButtonItem(WMPopUpButton *bPtr, char *title)
 123 {
 124     WMMenuItem *item;
 125
 126     CHECK_CLASS(bPtr, WC_PopUpButton);
 127
 128     item = WMCreateMenuItem();
 129     WMSetMenuItemTitle(item, title);
 130
 131     WMPutInBag(bPtr->items, item);
 132
 133     if (bPtr->menuView && bPtr->menuView->flags.realized)
 134         resizeMenu(bPtr);
 135
 136     return item;
 137 }
 138
 139
 140 WMMenuItem*
 141 WMInsertPopUpButtonItem(WMPopUpButton *bPtr, int index, char *title)
 142 {
 143     WMMenuItem *item;
 144
 145     CHECK_CLASS(bPtr, WC_PopUpButton);
 146
 147     item = WMCreateMenuItem();
 148     WMSetMenuItemTitle(item, title);
 149
 150     WMInsertInBag(bPtr->items, index, item);
 151
 152     /* if there is an selected item, update it's index to match the new
 153      * position */
 154     if (index < bPtr->selectedItemIndex)
 155         bPtr->selectedItemIndex++;
 156
 157     if (bPtr->menuView && bPtr->menuView->flags.realized)
 158         resizeMenu(bPtr);
 159
 160     return item;
 161 }
 162
 163
 164 void
 165 WMRemovePopUpButtonItem(WMPopUpButton *bPtr, int index)
 166 {
 167     WMMenuItem *item;
 168
 169     CHECK_CLASS(bPtr, WC_PopUpButton);
 170
 171     wassertr(index >= 0 && index < WMGetBagItemCount(bPtr->items));
 172
 173
 174     item = WMGetFromBag(bPtr->items, index);
 175     WMDeleteFromBag(bPtr->items, index);
 176
 177     WMDestroyMenuItem(item);
 178
 179     if (bPtr->selectedItemIndex >= 0 && !bPtr->flags.pullsDown) {
 180         if (index < bPtr->selectedItemIndex)
 181             bPtr->selectedItemIndex--;
 182         else if (index == bPtr->selectedItemIndex) {
 183             /* reselect first item if the removed item is the
 184              * selected one */
 185             bPtr->selectedItemIndex = 0;
 186             if (bPtr->view->flags.mapped)
 187                 paintPopUpButton(bPtr);
 188         }
 189     }
 190
 191     if (bPtr->menuView && bPtr->menuView->flags.realized)
 192         resizeMenu(bPtr);
 193 }
 194
 195
 196 void
 197 WMSetPopUpButtonEnabled(WMPopUpButton *bPtr, Bool flag)
 198 {
 199     bPtr->flags.enabled = flag;
 200     if (bPtr->view->flags.mapped)
 201         paintPopUpButton(bPtr);
 202 }
 203
 204
 205 Bool
 206 WMGetPopUpButtonEnabled(WMPopUpButton *bPtr)
 207 {
 208     return bPtr->flags.enabled;
 209 }
 210
 211
 212 void
 213 WMSetPopUpButtonSelectedItem(WMPopUpButton *bPtr, int index)
 214 {
 215     if (index < 0) {
 216         if (bPtr->view->flags.mapped)
 217             paintPopUpButton(bPtr);
 218         return;
 219     }
 220
 221     bPtr->selectedItemIndex = index;
 222
 223     if (bPtr->view->flags.mapped)
 224         paintPopUpButton(bPtr);
 225 }
 226
 227 int
 228 WMGetPopUpButtonSelectedItem(WMPopUpButton *bPtr)
 229 {
 230     if (!bPtr->flags.pullsDown && bPtr->selectedItemIndex < 0)
 231         return -1;
 232     else
 233         return bPtr->selectedItemIndex;
 234 }
 235
 236
 237 void
 238 WMSetPopUpButtonText(WMPopUpButton *bPtr, char *text)
 239 {
 240     if (bPtr->caption)
 241         wfree(bPtr->caption);
 242     if (text)
 243         bPtr->caption = wstrdup(text);
 244     else
 245         bPtr->caption = NULL;
 246     if (bPtr->view->flags.realized) {
 247         if (bPtr->flags.pullsDown || bPtr->selectedItemIndex < 0) {
 248             paintPopUpButton(bPtr);
 249         }
 250     }
 251 }
 252
 253
 254
 255 void
 256 WMSetPopUpButtonItemEnabled(WMPopUpButton *bPtr, int index, Bool flag)
 257 {
 258     WMMenuItem *item;
 259
 260     item = WMGetFromBag(bPtr->items, index);
 261     wassertr(item != NULL);
 262
 263     WMSetMenuItemEnabled(item, flag);
 264 }
 265
 266
 267 Bool
 268 WMGetPopUpButtonItemEnabled(WMPopUpButton *bPtr, int index)
 269 {
 270     WMMenuItem *item;
 271
 272     item = WMGetFromBag(bPtr->items, index);
 273     wassertrv(item != NULL, False);
 274
 275     return WMGetMenuItemEnabled(item);
 276 }
 277
 278
 279 void
 280 WMSetPopUpButtonPullsDown(WMPopUpButton *bPtr, Bool flag)
 281 {
 282     bPtr->flags.pullsDown = flag;
 283     if (flag) {
 284         bPtr->selectedItemIndex = -1;
 285     }
 286
 287     if (bPtr->view->flags.mapped)
 288         paintPopUpButton(bPtr);
 289 }
 290
 291
 292 int
 293 WMGetPopUpButtonNumberOfItems(WMPopUpButton *bPtr)
 294 {
 295     return WMGetBagItemCount(bPtr->items);
 296 }
 297
 298
 299 char*
 300 WMGetPopUpButtonItem(WMPopUpButton *bPtr, int index)
 301 {
 302     WMMenuItem *item;
 303
 304     if (index >= WMGetBagItemCount(bPtr->items) || index < 0)
 305         return NULL;
 306
 307     item = WMGetFromBag(bPtr->items, index);
 308     if (!item)
 309         return NULL;
 310
 311     return WMGetMenuItemTitle(item);
 312 }
 313
 314
 315 WMMenuItem*
 316 WMGetPopUpButtonMenuItem(WMPopUpButton *bPtr, int index)
 317 {
 318     WMMenuItem *item;
 319
 320     item = WMGetFromBag(bPtr->items, index);
 321
 322     return item;
 323 }
 324
 325
 326
 327 static void
 328 paintPopUpButton(PopUpButton *bPtr)
 329 {
 330     W_Screen *scr = bPtr->view->screen;
 331     char *caption;
 332     Pixmap pixmap;
 333
 334
 335     if (bPtr->flags.pullsDown) {
 336         caption = bPtr->caption;
 337     } else {
 338         if (bPtr->selectedItemIndex < 0) {
 339             /* if no item selected, show the caption */
 340             caption = bPtr->caption;
 341         } else {
 342             caption = WMGetPopUpButtonItem(bPtr, bPtr->selectedItemIndex);
 343         }
 344     }
 345
 346     pixmap = XCreatePixmap(scr->display, bPtr->view->window,
 347                            bPtr->view->size.width, bPtr->view->size.height,
 348                            scr->depth);
 349     XFillRectangle(scr->display, pixmap, WMColorGC(scr->gray), 0, 0,
 350                    bPtr->view->size.width, bPtr->view->size.height);
 351
 352     W_DrawRelief(scr, pixmap, 0, 0, bPtr->view->size.width,
 353                  bPtr->view->size.height, WRRaised);
 354
 355     if (caption) {
 356         W_PaintText(bPtr->view, pixmap, scr->normalFont, 6,
 357                     (bPtr->view->size.height-WMFontHeight(scr->normalFont))/2,
 358                     bPtr->view->size.width, WALeft,
 359                     bPtr->flags.enabled ? WMColorGC(scr->black) : WMColorGC(scr->darkGray),
 360                     False, caption, strlen(caption));
 361     }
 362
 363     if (bPtr->flags.pullsDown) {
 364         XCopyArea(scr->display, scr->pullDownIndicator->pixmap,
 365                   pixmap, scr->copyGC, 0, 0, scr->pullDownIndicator->width,
 366                   scr->pullDownIndicator->height,
 367                   bPtr->view->size.width-scr->pullDownIndicator->width-4,
 368                   (bPtr->view->size.height-scr->pullDownIndicator->height)/2);
 369     } else {
 370         int x, y;
 371
 372         x = bPtr->view->size.width - scr->popUpIndicator->width - 4;
 373         y = (bPtr->view->size.height-scr->popUpIndicator->height)/2;
 374
 375         XSetClipOrigin(scr->display, scr->clipGC, x, y);
 376         XSetClipMask(scr->display, scr->clipGC, scr->popUpIndicator->mask);
 377         XCopyArea(scr->display, scr->popUpIndicator->pixmap, pixmap,
 378                   scr->clipGC, 0, 0, scr->popUpIndicator->width,
 379                   scr->popUpIndicator->height, x, y);
 380     }
 381
 382     XCopyArea(scr->display, pixmap, bPtr->view->window, scr->copyGC, 0, 0,
 383               bPtr->view->size.width, bPtr->view->size.height, 0, 0);
 384
 385     XFreePixmap(scr->display, pixmap);
 386 }
 387
 388
 389
 390 static void
 391 handleEvents(XEvent *event, void *data)
 392 {
 393     PopUpButton *bPtr = (PopUpButton*)data;
 394
 395     CHECK_CLASS(data, WC_PopUpButton);
 396
 397
 398     switch (event->type) {
 399      case Expose:
 400         if (event->xexpose.count!=0)
 401             break;
 402         paintPopUpButton(bPtr);
 403         break;
 404
 405      case DestroyNotify:
 406         destroyPopUpButton(bPtr);
 407         break;
 408     }
 409 }
 410
 411
 412
 413 static void
 414 paintMenuEntry(PopUpButton *bPtr, int index, int highlight)
 415 {
 416     W_Screen *scr = bPtr->view->screen;
 417     int i;
 418     int yo;
 419     int width, height, itemHeight;
 420     char *title;
 421
 422     itemHeight = bPtr->view->size.height;
 423     width = bPtr->view->size.width;
 424     height = itemHeight * WMGetBagItemCount(bPtr->items);
 425     yo = (itemHeight - WMFontHeight(scr->normalFont))/2;
 426
 427     if (!highlight) {
 428         XClearArea(scr->display, bPtr->menuView->window, 0, index*itemHeight,
 429                    width, itemHeight, False);
 430         return;
 431     } else if (index < 0 && bPtr->flags.pullsDown) {
 432         return;
 433     }
 434
 435     XFillRectangle(scr->display, bPtr->menuView->window, WMColorGC(scr->white),
 436                    1, index*itemHeight+1, width-3, itemHeight-3);
 437
 438     title = WMGetPopUpButtonItem(bPtr, index);
 439
 440     W_DrawRelief(scr, bPtr->menuView->window, 0, index*itemHeight,
 441                  width, itemHeight, WRRaised);
 442
 443     W_PaintText(bPtr->menuView, bPtr->menuView->window, scr->normalFont,  6,
 444                 index*itemHeight + yo, width, WALeft, WMColorGC(scr->black),
 445                 False, title, strlen(title));
 446
 447     if (!bPtr->flags.pullsDown && index == bPtr->selectedItemIndex) {
 448         XCopyArea(scr->display, scr->popUpIndicator->pixmap,
 449                   bPtr->menuView->window, scr->copyGC, 0, 0,
 450                   scr->popUpIndicator->width, scr->popUpIndicator->height,
 451                   width-scr->popUpIndicator->width-4,
 452                   i*itemHeight+(itemHeight-scr->popUpIndicator->height)/2);
 453     }
 454 }
 455
 456
 457 Pixmap
 458 makeMenuPixmap(PopUpButton *bPtr)
 459 {
 460     Pixmap pixmap;
 461     W_Screen *scr = bPtr->view->screen;
 462     int i;
 463     int yo;
 464     int width, height, itemHeight;
 465
 466     itemHeight = bPtr->view->size.height;
 467     width = bPtr->view->size.width;
 468     height = itemHeight * WMGetBagItemCount(bPtr->items);
 469     yo = (itemHeight - WMFontHeight(scr->normalFont))/2;
 470
 471     pixmap = XCreatePixmap(scr->display, bPtr->view->window, width, height,
 472                            scr->depth);
 473
 474     XFillRectangle(scr->display, pixmap, WMColorGC(scr->gray), 0, 0,
 475                    width, height);
 476
 477     for (i = 0; i < WMGetBagItemCount(bPtr->items); i++) {
 478         GC gc;
 479         WMMenuItem *item;
 480         char *text;
 481
 482         item = (WMMenuItem*)WMGetFromBag(bPtr->items, i);
 483         text = WMGetMenuItemTitle(item);
 484
 485         W_DrawRelief(scr, pixmap, 0, i*itemHeight, width, itemHeight,
 486                      WRRaised);
 487
 488         if (!WMGetMenuItemEnabled(item))
 489             gc = WMColorGC(scr->darkGray);
 490         else
 491             gc = WMColorGC(scr->black);
 492
 493         W_PaintText(bPtr->menuView, pixmap, scr->normalFont,  6,
 494                     i*itemHeight + yo, width, WALeft, gc, False,
 495                     text, strlen(text));
 496
 497         if (!bPtr->flags.pullsDown && i == bPtr->selectedItemIndex) {
 498             XCopyArea(scr->display, scr->popUpIndicator->pixmap, pixmap,
 499                       scr->copyGC, 0, 0, scr->popUpIndicator->width,
 500                       scr->popUpIndicator->height,
 501                       width-scr->popUpIndicator->width-4,
 502                       i*itemHeight+(itemHeight-scr->popUpIndicator->height)/2);
 503         }
 504     }
 505
 506     return pixmap;
 507 }
 508
 509
 510 static void
 511 resizeMenu(PopUpButton *bPtr)
 512 {
 513     int height;
 514
 515     height = WMGetBagItemCount(bPtr->items) * bPtr->view->size.height;
 516     if (height > 0)
 517         W_ResizeView(bPtr->menuView, bPtr->view->size.width, height);
 518 }
 519
 520
 521 static void
 522 popUpMenu(PopUpButton *bPtr)
 523 {
 524     W_Screen *scr = bPtr->view->screen;
 525     Window dummyW;
 526     int x, y;
 527
 528     if (!bPtr->menuView->flags.realized) {
 529         W_RealizeView(bPtr->menuView);
 530         resizeMenu(bPtr);
 531     }
 532
 533     if (WMGetBagItemCount(bPtr->items) < 1)
 534         return;
 535
 536     XTranslateCoordinates(scr->display, bPtr->view->window, scr->rootWin,
 537                           0, 0, &x, &y, &dummyW);
 538
 539     if (bPtr->flags.pullsDown) {
 540         y += bPtr->view->size.height;
 541     } else {
 542         y -= bPtr->view->size.height*bPtr->selectedItemIndex;
 543     }
 544     W_MoveView(bPtr->menuView, x, y);
 545
 546     XSetWindowBackgroundPixmap(scr->display, bPtr->menuView->window,
 547                                makeMenuPixmap(bPtr));
 548     XClearWindow(scr->display, bPtr->menuView->window);
 549
 550     W_MapView(bPtr->menuView);
 551
 552     bPtr->highlightedItem = 0;
 553     if (!bPtr->flags.pullsDown && bPtr->selectedItemIndex < 0)
 554         paintMenuEntry(bPtr, bPtr->selectedItemIndex, True);
 555 }
 556
 557
 558 static void
 559 popDownMenu(PopUpButton *bPtr)
 560 {
 561     W_UnmapView(bPtr->menuView);
 562
 563     /* free the background pixmap used to draw the menu contents */
 564     XSetWindowBackgroundPixmap(bPtr->view->screen->display,
 565                                bPtr->menuView->window, None);
 566 }
 567
 568
 569 static void
 570 autoScroll(void *data)
 571 {
 572     PopUpButton *bPtr = (PopUpButton*)data;
 573     int scrHeight = WMWidgetScreen(bPtr)->rootView->size.height;
 574     int repeat = 0;
 575     int dy = 0;
 576
 577
 578     if (bPtr->scrollStartY > scrHeight-1
 579         && bPtr->menuView->pos.y+bPtr->menuView->size.height > scrHeight-1) {
 580         repeat = 1;
 581
 582         if (bPtr->menuView->pos.y+bPtr->menuView->size.height-5
 583             <= scrHeight - 1) {
 584             dy = scrHeight - 1
 585                 - (bPtr->menuView->pos.y+bPtr->menuView->size.height);
 586         } else
 587             dy = -5;
 588
 589     } else if (bPtr->scrollStartY <= 1 && bPtr->menuView->pos.y < 1) {
 590         repeat = 1;
 591
 592         if (bPtr->menuView->pos.y+5 > 1)
 593             dy = 1 - bPtr->menuView->pos.y;
 594         else
 595             dy = 5;
 596     }
 597
 598     if (repeat) {
 599         int oldItem;
 600
 601         W_MoveView(bPtr->menuView, bPtr->menuView->pos.x,
 602                    bPtr->menuView->pos.y + dy);
 603
 604         oldItem = bPtr->highlightedItem;
 605         bPtr->highlightedItem = (bPtr->scrollStartY - bPtr->menuView->pos.y)
 606             / bPtr->view->size.height;
 607
 608         if (bPtr->highlightedItem >= WMGetBagItemCount(bPtr->items))
 609             bPtr->highlightedItem = WMGetBagItemCount(bPtr->items)-1;
 610
 611         if (oldItem!=bPtr->highlightedItem) {
 612             WMMenuItem *item =
 613                 WMGetPopUpButtonMenuItem(bPtr, bPtr->highlightedItem);
 614
 615             paintMenuEntry(bPtr, oldItem, False);
 616
 617             paintMenuEntry(bPtr, bPtr->highlightedItem,
 618                            WMGetMenuItemEnabled(item));
 619         }
 620
 621         bPtr->timer = WMAddTimerHandler(SCROLL_DELAY, autoScroll, bPtr);
 622     } else {
 623         bPtr->timer = NULL;
 624     }
 625 }
 626
 627
 628 static void
 629 handleActionEvents(XEvent *event, void *data)
 630 {
 631     PopUpButton *bPtr = (PopUpButton*)data;
 632     int oldItem;
 633     int scrHeight = WMWidgetScreen(bPtr)->rootView->size.height;
 634
 635     CHECK_CLASS(data, WC_PopUpButton);
 636
 637     if (WMGetBagItemCount(bPtr->items) < 1)
 638         return;
 639
 640     switch (event->type) {
 641         /* called for menuView */
 642      case Expose:
 643         paintMenuEntry(bPtr, bPtr->highlightedItem, True);
 644         break;
 645
 646      case LeaveNotify:
 647         bPtr->flags.insideMenu = 0;
 648         if (bPtr->menuView->flags.mapped)
 649             paintMenuEntry(bPtr, bPtr->highlightedItem, False);
 650         bPtr->highlightedItem = -1;
 651         break;
 652
 653      case EnterNotify:
 654         bPtr->flags.insideMenu = 1;
 655         break;
 656
 657      case MotionNotify:
 658         if (bPtr->flags.insideMenu) {
 659             oldItem = bPtr->highlightedItem;
 660             bPtr->highlightedItem = event->xmotion.y / bPtr->view->size.height;
 661             if (oldItem!=bPtr->highlightedItem) {
 662                 WMMenuItem *item;
 663
 664                 item = WMGetPopUpButtonMenuItem(bPtr, bPtr->highlightedItem);
 665                 paintMenuEntry(bPtr, oldItem, False);
 666                 paintMenuEntry(bPtr, bPtr->highlightedItem,
 667                                WMGetMenuItemEnabled(item));
 668             }
 669
 670             if (event->xmotion.y_root >= scrHeight-1
 671                 || event->xmotion.y_root <= 1) {
 672                 bPtr->scrollStartY = event->xmotion.y_root;
 673                 if (!bPtr->timer)
 674                     autoScroll(bPtr);
 675             } else if (bPtr->timer) {
 676                 WMDeleteTimerHandler(bPtr->timer);
 677                 bPtr->timer = NULL;
 678             }
 679         }
 680         break;
 681
 682         /* called for bPtr->view */
 683      case ButtonPress:
 684         if (!bPtr->flags.enabled)
 685             break;
 686
 687         popUpMenu(bPtr);
 688         if (!bPtr->flags.pullsDown) {
 689             bPtr->highlightedItem = bPtr->selectedItemIndex;
 690             bPtr->flags.insideMenu = 1;
 691         } else {
 692             bPtr->highlightedItem = -1;
 693             bPtr->flags.insideMenu = 0;
 694         }
 695         XGrabPointer(bPtr->view->screen->display, bPtr->menuView->window,
 696                      False, ButtonReleaseMask|ButtonMotionMask|EnterWindowMask
 697                      |LeaveWindowMask, GrabModeAsync, GrabModeAsync,
 698                      None, None, CurrentTime);
 699         break;
 700
 701      case ButtonRelease:
 702         XUngrabPointer(bPtr->view->screen->display, event->xbutton.time);
 703         if (!bPtr->flags.pullsDown)
 704             popDownMenu(bPtr);
 705
 706         if (bPtr->timer) {
 707             WMDeleteTimerHandler(bPtr->timer);
 708             bPtr->timer = NULL;
 709         }
 710
 711         if (bPtr->flags.insideMenu && bPtr->highlightedItem>=0) {
 712             WMMenuItem *item;
 713
 714             item = WMGetPopUpButtonMenuItem(bPtr, bPtr->highlightedItem);
 715
 716             if (WMGetMenuItemEnabled(item)) {
 717                 int i;
 718                 WMSetPopUpButtonSelectedItem(bPtr, bPtr->highlightedItem);
 719
 720                 if (bPtr->flags.pullsDown) {
 721                     for (i=0; i<MENU_BLINK_COUNT; i++) {
 722                         paintMenuEntry(bPtr, bPtr->highlightedItem, False);
 723                         XSync(bPtr->view->screen->display, 0);
 724                         wusleep(MENU_BLINK_DELAY);
 725                         paintMenuEntry(bPtr, bPtr->highlightedItem, True);
 726                         XSync(bPtr->view->screen->display, 0);
 727                         wusleep(MENU_BLINK_DELAY);
 728                     }
 729                 }
 730                 paintMenuEntry(bPtr, bPtr->highlightedItem, False);
 731                 popDownMenu(bPtr);
 732                 if (bPtr->action)
 733                     (*bPtr->action)(bPtr, bPtr->clientData);
 734             }
 735         }
 736         if (bPtr->menuView->flags.mapped)
 737             popDownMenu(bPtr);
 738         break;
 739     }
 740 }
 741
 742
 743
 744 static void
 745 destroyPopUpButton(PopUpButton *bPtr)
 746 {
 747     WMMenuItem *item;
 748     int i;
 749
 750     if (bPtr->timer) {
 751         WMDeleteTimerHandler(bPtr->timer);
 752     }
 753
 754     for (i = 0; i < WMGetBagItemCount(bPtr->items); i++) {
 755         item = WMGetFromBag(bPtr->items, i);
 756         WMDestroyMenuItem(item);
 757     }
 758     WMFreeBag(bPtr->items);
 759
 760     if (bPtr->caption)
 761         wfree(bPtr->caption);
 762
 763     /* have to destroy explicitly because the popup is a toplevel */
 764     W_DestroyView(bPtr->menuView);
 765
 766     wfree(bPtr);
 767 }